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Finding the Fourth Proportional to 179,800.76, 269,730.36 and 67,489.80

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Solution

The fourth proportional to 179,800.76, 269,730.36 and 67,489.80 is: 101,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,800.76 : 269,730.36 = 67,489.80 : x
  2. Step 2: Convert to fraction form
    179,800.76/269,730.36 = 67,489.80/x
  3. Step 3: Cross multiply
    179,800.76x = 269,730.36 × 67,489.80
  4. Step 4: Simplify right side
    179,800.76x = 18,204,048,050.33
  5. Step 5: Solve for x
    x = 18,204,048,050.33/179,800.76
  6. Step 6: Final answer
    x = 101,245.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.